80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

TGUI96x0 banking fixes.

Browse Source
This commit is contained in:
OBattler
2021-07-09 23:58:56 +02:00
parent 782fdf7883
commit 49232557d7
1 changed files with 14 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/video/vid_tgui9440.c
View File

@@ -275,7 +275,9 @@ tgui_out(uint16_t addr, uint8_t val, void *p)
{ {
tgui_t *tgui = (tgui_t *)p; tgui_t *tgui = (tgui_t *)p;
svga_t *svga = &tgui->svga; svga_t *svga = &tgui->svga;
uint8_t old; uint8_t old, mask;
mask = (tgui->type >= TGUI_9680) ? 0x3f : 0x1f;
if (((addr&0xFFF0) == 0x3D0 || (addr&0xFFF0) == 0x3B0) && !(svga->miscout & 1)) addr ^= 0x60; if (((addr&0xFFF0) == 0x3D0 || (addr&0xFFF0) == 0x3B0) && !(svga->miscout & 1)) addr ^= 0x60;
@@ -457,19 +459,18 @@ tgui_out(uint16_t addr, uint8_t val, void *p)
return; return;
case 0x3D8: case 0x3D8:
tgui->tgui_3d8 = val; tgui->tgui_3d8 = val;
if (svga->gdcreg[0xf] & 4) if (svga->gdcreg[0xf] & 4) {
{ svga->write_bank = (val & mask) * 65536;
svga->write_bank = (val & 0x1f) * 65536; if (!(svga->gdcreg[0xf] & 1))
if (!(svga->gdcreg[0xf] & 1)) svga->read_bank = (val & mask) * 65536;
svga->read_bank = (val & 0x1f) * 65536; }
} return;
return;
case 0x3D9: case 0x3D9:
tgui->tgui_3d9 = val; tgui->tgui_3d9 = val;
if ((svga->gdcreg[0xf] & 5) == 5) if ((svga->gdcreg[0xf] & 5) == 5)
svga->read_bank = (val & 0x1F) * 65536; svga->read_bank = (val & mask) * 65536;
return; return;
case 0x43c8: case 0x43c8:
tgui->clock_n = val & 0x7f; tgui->clock_n = val & 0x7f;